TsimScience

Yuav ua li cas yog lom system? Lom systems: nta, zog, lub koom haum

Lub tswvyim ntawm multi-level system ntawm lub neej koom haum - ib qhov tseem ceeb cov teeb meem nyob rau hauv niaj hnub science. Tag nrho lom khoom, raws li nws, koom rau lub hauv paus ntawm tej yam ntxwv thiab lub kaw kev sib raug zoo thiab cov txheej txheem ntawm nyob rau hauv ib tug tej yam hierarchical kev txiav txim. Zoo ib yam li tej ntsiab cai uas universal rau tag nrho ntawm qhov nyob rau hauv feem ntau. Kawm paub txog qhov tseeb hais tias xws li lom systems, nws yog qhov zoo tshaj plaws los pib nrog lub ntsiab txhais ntawm tseem ceeb cov ntsiab lus.

kev tshawb xav

Basic ntsiab tau tso tawm nyob rau hauv nruab nrab ntawm lub xyoo pua xeem los ntawm Ludwig von Bertalanffy. Nws yog nws leej twg tsim cov kev tshawb xav ntawm lub tshuab. Nws npog tag nrho cov khoom ntawm xwm thiab zej zog. Ziag qhia txog cov lom, kev sib raug zoo, qhov chaw, lub cev, economic thiab lwm yam systems uas muab peb loj pawg: ib microcosm, macrocosm thiab megaworld. Tus thawj yog cov elementary hais thiab lub atoms rau ob - los ntawm txhua yam molecules rau continents thiab dej hiav txwv, lub thib peb - qhov chaw cov khoom. Macrocosm thiab muaj xws li nyob systems.

Cov yooj yim tswvyim

System - union neeg raws li nyob rau hauv tej yam kev sib raug zoo, tej yam kev ua uas subordinates. Lub koom haum ntawm xws li ib tug qauv, raws li ib tug txoj cai, muaj ob peb kom ntau. Nyob rau hauv cov ntaub ntawv no txhua lub caij yuav ua tau tsis hais cov tsis siab thiaj system. Ib qho tseem ceeb khoom teejtug uas yog xws li ib lub koom haum: tag nrho yog qualitatively txawv los ntawm lub sum ntawm tag nrho nws cov Cheebtsam. System - tsis yog ib tug txheej ntawm cov yam ntxwv ntawm lub ntsiab, nws muaj ib yam ntawm cov tshiab zoo.

Tag nrho cov khoom uas muaj sia nyob lub ntiaj teb no yog zoo xws li cov lug. Thiab zoo, uas ua los ntawm combining ob peb ntsiab, nws yog ib tug tshiab manifestation ntawm lub neej.

qhib

To taub hais tias xws li lom systems, yuav tsum tau piav qhia txog lwm cov khoom teejtug uas zoo xws li cov lug. No sis nrog cov ib puag ncig. Nyob rau hauv kev tshawb xav, lub koom haum kev lom systems yuav tsum yog kaw los yog qhib. Nyob rau ib tus paub txog kev xyaum paub tias tsis muaj tag nrho uas xa tuaj nrog cov qauv. Tej nyob system lossi ua num ua ke nrog cov ib puag ncig los ntawm ib co semi-ciam teb membrane. Hlwb - nws bilipidnaya membrane los ntawm qhov chaw nres tsheb - ib tug npog. Social tshuab ua ke los ntawm txoj kev cai los yog tej kev sib raug zoo ntawm cov neeg.

Nws hloov tawm, cov lus teb rau lo lus nug "yog dab tsi lom systems" yuav sau ua ke raws li nram no: ib tug txheej ntawm qhov kev sis raug zoo ntawm nyob hlwb, uas ua tau nyob rau hauv ib tug tej yam hierarchical kev txiav txim thiab qhib rau cov zaubmov, pauv nrog rau cov ib puag ncig.

pov thawj

Tag nrho cov yus cov yam ntxwv ntawm cov lug - yog ob leeg kev txawv los ntawm tswg xwm. Peb hu tej yam tshwm sim ntawm lom nruab nrog lawv piav me ntsis txog ntawm:

  1. Ib tug tib tshuaj compound. Tag nrho cov ntuj khoom muaj tsev ntawm tib molecules. Txawm li cas los nyob raws li tau qhov tseem ceeb muaj xws li carbon, nitrogen, oxygen, thiab hydrogen.
  2. Metabolism hauv uas muaj qhov chaw. Qhov no yog qhov qhib siab dawb paug ntawm lub system piav tej khoom vaj tse. Ib qho ntawm nws ces - lub volatility ntawm xws lug.
  3. Self-replication (tu tub tu kiv).
  4. Caj - tej khoom vaj tse hloov lwm lub tsev nta ntawm cov qauv thiab cov lag luam los ntawm tiam mus rau tiam.
  5. Variability - mus kis tau tej khoom vaj tse thaum lub sij hawm lub neej ntawm cov yam ntxwv tshiab thiab kev txawj ntse.
  6. Kev loj hlob thiab kev loj hlob. Yog hais irreversible hloov. Faib ib tug neeg thiab keeb kwm kev loj hlob ntawm nyob systems, hu ua ontogeny thiab phylogeny, ntsig txog.
  7. Txob taus (reflexes Taxis) - cov cuab yeej rau teb rau stimuli thiab tej kev hloov.
  8. Discrete. Tej nyob system muaj ib tug nyias muaj nyias ib tab sis interacting ntsiab txoj kev ua ib hierarchical qauv.
  9. Self-kev cai. Muaj internal mechanisms rau kev tswj homeostasis, nrog rau cov ciaj sia taus ntawm cov system. Self-kev cai yog raws li nyob rau hauv lub hauv paus ntsiab lus ntawm tsis zoo lub tswv yim.
  10. Rhythmicity. Ntxiv dag zog rau thiab weakening ntawm ntau yam dab tu ncua.

Theem ntawm lub koom haum kev lom tshuab

Tag nrho cov khoom no khaws cia nyob rau txhua theem ntawm lub xaab siab qauv. Basic theem ntawm lub koom haum kev lom systems yog distinguished es arbitrary, txij li thaum muaj ib yam ntawm lawv muaj peev xwm yuav muab faib nyob rau hauv ob peb lub Cheebtsam. Nyob rau hauv Feem ntau, tham txog cov plaub theem ntawm no hierarchy:

  • molecular caj theem;
  • kev loj hlob;
  • pejxeem-hom kawm;
  • biogeocenotic theem.

Cia peb kawm lawv nyob rau hauv kom meej.

Molecular caj theem

Tej macromolecules xws li cov nqaijrog, lipids, carbohydrates thiab nucleic acids yog yam ntxwv ntsiab ntawm tus kab mob, tab sis los ntawm lawv tus kheej yog tsis ib txwm nyob tag nrho lub neej.

Txhua yam ntawm cov ntsiab ua nws zog. Carbohydrates - ib qhov chaw ntawm lub zog. Lipids yog ib feem ntawm cov ntshav membrane ntawm lub hlwb. lawv kuj yog lub zog tsum. Cov nqaijrog ua feem ntau lub neej. Lawv muaj xws li ntawm nees nkaum amino acid hom uas tej zaum yuav interleaved nyob rau hauv tej kev txiav txim. Raws li ib tug tshwm sim, muaj ib tug enormous tooj ntawm cov nqaijrog uas yuav tiv nrog sib txawv heev kev ua tau zoo. Lub nucleic acids DNA thiab RNA, - lub hauv paus ntawm caj.

Macromolecules yog ua ke mus rau hauv ceg, txoj kev ua ntawm tes organelles: ribosomes, mitochondria, myofibrils, thiab hais txog. Tag nrho cov ntawm lawv yog cov luag hauj lwm rau ib co lom tsos mob, tab sis tsis tau cov theem ntawm complexity uas yuav tsum tau hu ua lub neej.

Cov kauj ruam tom ntej

Yuav ua li cas lom systems yog txoj kev loj hlob theem? Nws tag nrho cov kab mob, xws li los ntawm unicellular thiab xaus nrog tsiaj thiab tib neeg, raws li tau zoo raws li cov kabmob, ntaub so ntswg thiab hlwb ntawm lub cev. Tag nrho cov ntsiab yuav ntshai li ib tug neeg ntau ntau cov koom haum ntawm lom systems, tab sis kom yooj yim thiab vim hais tias ntawm cov kev cai lij choj, lawv koom.

Cell - elementary ntxwv tsev ntawm cov qauv ntawm cov kab mob. Nws yog theem ntawm complexity ntawm lub lom system, uas tshwm thawj zaug raws li ib tug tshwm sim ntawm lub neej. Raws li twb tau hais, ntau yooj yim lug muab tsuas tej nta. Tawb kuj muaj tag nrho cov khoom kev lom systems.

Ntaub so ntswg thiab kabmob - intermediate sublevels kev loj hlob theem. Tom qab lawv yog ib tug multicellular kab mob. Nws yog tsiag ntawv los ntawm muaj peev xwm ntawm ywj siab hav zoov, txoj kev loj hlob thiab tu tub tu kiv. Qhov no feature distinguishes tus neeg thiab hlwb los ntawm nruab nrog cev thiab cov nqaij.

Pejxeem, thiab saib

Los ntawm theem rau theem yuav nyuab dua lom systems. Thaum rau qib tom ntej muaj hom thiab coob. Tus thawj yog ib tug txheej ntawm cov tib neeg, yus muaj los ntawm roj ntsha zoo sib thooj ntawm ib tug xov tooj ntawm tsis: morphology, physiology, noob caj noob ces, chaw nyob. Thiab tseem ceeb tshaj: lub kab hais tias ua li rau hauv daim ntawv, yuav dawb do interbreed thiab tawm fertile offspring.

Ib pab pawg neeg ntawm cov neeg uas yuav siv sij hawm ib tug tej yam ib ncig, uas yog hu ua vaj tse. Heev feem ntau, nws yog tawg nyob rau hauv ntau yam thaj obstacles. Raws li ib tug tshwm sim, rau hauv daim ntawv no yuav muab faib mus rau hauv ob peb kuj raug rho tawm coob. Lawm, lub tej yam kev mob ntawm disunion los ntawm tus so ntawm daim ntawv no ua rau kom tsub zuj zuj ntawm cov kev tshuaj ntsuam genetic khoom. Nrog muaj zog cim ntawm divergence ntawm coob, tshiab hom.

ecosystems

Nyob rau hauv lub hierarchy ntawm coob thiab hom yuav tsum tau lub zej lub zos biogeocoenosis thiab cov Biosphere. Tus thawj yog ib tug txheej ntawm coob txog ntau hom, yog muab tso rau hauv tib cheeb tsam. Faib tsob nroj, tsiaj thiab microbial cov zej zog. Lawv ua ke nyob rau hauv ib zaug xwb cheeb tsam yuav tsum tau hu ua lub biocoenosis. Cov theem kev lom systems yog yus muaj los ntawm ib tug nyob ze kev sib raug zoo ntawm txhua tus neeg.

Lub tej yam kev mob nyob rau hauv uas lub kab nyob mus tas li muaj kev cuam tshuam lawv. Lub totality ntawm cov yam tseem ceeb tswg xwm ntawm lub cheeb tsam no yog hu ua biotope. Ib puag ncig thiab cov zej zog ntawm tus kab mob no muaj nyob rau hauv qhov kev sis raug zoo, muaj ib tug ncig ntawm teeb meem thiab lub zog. Yog li ntawd biotope thiab biocenosis ua ke nyob rau hauv biogeocoenosis los yog ecosystem. Qhov no theem no kuj yus muaj los ntawm tag nrho cov yam ntxwv ntawm cov nyob: nws yog lossi nyob rau hauv kev sib cuag nrog cov ib puag ncig, nws yog tswj nyob rau hauv lub hauv paus ntsiab lus ntawm nws tus kheej-kev cai dab yog raug rau tej mus.

Thaum lub theem siab tshaj plaws ntawm lub hierarchy muab lub ntiaj teb biosphere - lub plhaub inhabited los ntawm nyob beings. Tej yam loj loj nyob rau hauv nws muaj ib tug tib neeg ua si uas nce ua rau yus ecological qeeg.

Yuav ua li cas yog lom system? Nyob rau hauv qhov tseeb, nws yog tag nrho cov nyob yam uas koos peb. Txiv neej txawv los ntawm lwm yam hais nyob rau hauv lub biosphere, muaj peev xwm kom paub txog, thiab yog li redirect thiab hloov txoj kev. Thaum no muaj peev xwm yog Homo sapiens yog ua hauj lwm tiv thaiv xwm. Txawm li cas los, vim hais tias ntawm nws peb muaj ib lub caij nyoog los txhim kho cov nws.

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